<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
</head>
<body>
    <h1>登录页面</h1>
    <a href="/content.html">进入内容页面</a><br> 
    <a href="/a/b/c.html">测试404</a>
</body>
</html>